1) There are plenty of tomatoes in the fridge. You ___________ buy any. a) needn't b) must not c) should not 2) This is a hospital. You ___________ smoke here. a) do not have to b) should not c) mustn't 3) He had been working for more than 11 hours. He ______ be tired after such hard work.  a) must b) should c) can 4) I _______ speak Arabic fluently when I was a child and we lived in Morocco. a) can b) could c) must 5) it is optional so we ________ read it if we don't want to. a) can not b) need not c) must not 6) _______ you stand on your head for more than a minute? a) have to b) can c) could 7) We will help you become a fluent speaker but you __________ work hard a) have to b) must c) should 8) Take an umbrella. It_______ rain later. a) must b) can c) might 9) You ______ leave small objects lying around a) shouldn't b) do not have to c) must not  10) Drivers _______ stop when the traffic lights are red. a) should b) must c) have to 11) _____ I ask a question?  a) Should b) Can c) May 12) You ___________ take your umbrella. It is not raining. a) should not b) needn't c) must not 13) ______ you speak Italian?  a) can b) may c) have to 14) _____________you swim when you were 10? a) can b) could c) have to 15) We have a lot of work tomorrow. You ______ be late a) should not b) can not c) mustn't 16) The museum is free. You _______pay to get in. a) must not b) don't have to c) should not 17) We ________miss the train, because it's the last one tonight. a) mustn't b) should not c) do not have to 18) It's very cold outside. You_________ wear a coat a) can b) must c) should

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